Yes,
To get more details how works Facebook share check it documentation
developers.facebook.com/docs/sharing/best-practices
Pre-caching images
When content is shared for the first time, the Facebook crawler will scrape and cache the metadata from the URL shared. The crawler has to see an image at least once before it can be rendered. This means that the first person who shares a piece of content won't see a rendered image:
And so on...